Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 100,000	$ 394,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, amortization, and other	1,367,000	1,212,000
Accretion of debt issuance costs	18,000	18,000
Non cash lease expense	85,000	83,000
Deferred income taxes	68,000	123,000
Stock-based compensation expense	96,000	87,000
Interest expense associated with lease liabilities	3,000	9,000
Changes in operating assets and liabilities:
Receivables	(634,000)	(575,000)
Prepaid expenses and other assets	548,000	567,000
Asset retirement obligations, related party	0	(457,000)
Related party liabilities	(66,000)	(805,000)
Accounts payable, accrued liabilities, and deferred revenue	279,000	(297,000)
Lease liabilities	(103,000)	(100,000)
Net cash provided by operating activities	1,761,000	259,000
Investing activities:
Payment for purchase of property and equipment	(209,000)	(66,000)
Net cash used in investing activities	(209,000)	(66,000)
Financing activities:
Principal payments on long-term debt	(730,000)	(55,000)
Principal payments on short-term financing	(74,000)	0
Net cash used in financing activities	(804,000)	(55,000)
Net change in cash, cash equivalents, and restricted cash	748,000	138,000
Cash, cash equivalents, and restricted cash at beginning of period	12,453,000	8,263,000
Cash, cash equivalents, and restricted cash at end of period	13,201,000	8,401,000
Supplemental cash flow disclosure
Interest	253,000	130,000
Income taxes	20,000	55,000
Detail of cash, cash equivalents and restricted cash at end of period
Cash and cash equivalents	13,083,000	8,283,000
Restricted cash	118,000	118,000
Cash, cash equivalents, and restricted cash at end of period	$ 13,201,000	$ 8,401,000